HardLabs

BREAD slice v2

OSHE-Github·Smart-BREAD·Loaf/PCB/PLC_Input_Slice/BREAD_slice_v2.kicad_pcb

BREAD slice v2 PCB layout, top view — open source AVR/Arduino board by OSHE-Github

About the BREAD slice v2 PCB

BREAD slice v2 is an open source AVR/Arduino PCB design by OSHE-Github, published on GitHub. It is a 2-layer board measuring 100 × 79 mm, with 28 components from 13 distinct parts.

Its main chip is the Arduino_Nano_Every, from the AVR/Arduino family. Other key parts include the MCP4922-EP, MCP3208, MCP2561-E-P and MCP2515-xSO. By type, the board carries 9 capacitors, 8 resistors, 7 ICs, 1 module, 1 crystal and 1 connector.

From the project

Creating an HMI for the BREAD Ecosystem, as well as a conveyor belt to be paired with the improved computation capabilities of the BREAD system.

Main components on the BREAD slice v2

MCP4922-EPMCP3208MCP2561-E-PMCP2515-xSOArduino_Nano_Every

BREAD slice v2 bill of materials (BOM)

28 components, 13 distinct parts.

QtyPartRefs
4
MCP4922-EP
U1, U2, U3, U4
1
MCP3208
U5
1
MCP2561-E-P
U6
1
MCP2515-xSO
U7
1
Arduino_Nano_Every
A1
1
16MHZ Crystal
Y1
1
10018783-10200TLF
J1
1
Optional VRM
VRM1
2
20pf
C1, C2
7
0.47uF
C3, C4, C5, C6, C7, C8, C9
2
10k
R1, R2
4
10k
R3, R4, R5, R6
2
10K Resistor Array
RN1, RN2

BREAD slice v2 design files

The KiCad project lives in the OSHE-Github/Smart-BREAD repository on GitHub; these links point at the commit this page was built from.

BREAD slice v2: common questions

What microcontroller does the BREAD slice v2 use?

The BREAD slice v2 is built around the Arduino_Nano_Every, from the AVR/Arduino family.

How big is the BREAD slice v2 PCB?

The BREAD slice v2 measures 100 × 79 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the BREAD slice v2?

28 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the BREAD slice v2 design files?

From the OSHE-Github/Smart-BREAD repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the BREAD slice v2 design in my own project?

The repository has no license, so all rights stay with OSHE-Github. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the BREAD slice v2 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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